ObjectTypeMapping.cs source code in C# .NET

                        Code:
                         / Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / Orcas / SP / ndp / fx / src / DataEntity / System / Data / Mapping / ObjectTypeMapping.cs / 2 / ObjectTypeMapping.cs
                        
                        
                            //---------------------------------------------------------------------- 
// 
//      Copyright (c) Microsoft Corporation.  All rights reserved.
// 
// 
// @owner  [....], [....]
//--------------------------------------------------------------------- 
 
using System;
using System.Collections.Generic; 
using System.Collections.ObjectModel;
using System.Text;
using System.Diagnostics;
using System.Data.Metadata.Edm; 
using System.Data.Common.Utils;
 
namespace System.Data.Mapping { 
    /// 
    /// Represents the metadata for OCObjectMapping. 
    /// 
    internal class ObjectTypeMapping : Map {
        #region Constructors
        ///  
        /// Construct a new ObjectTypeMapping object
        ///  
        ///  
        /// 
        internal ObjectTypeMapping(EdmType clrType, EdmType cdmType) { 
            Debug.Assert(clrType.BuiltInTypeKind == cdmType.BuiltInTypeKind, "BuiltInTypeKind must be the same for both types");
            this.m_clrType = clrType;
            this.m_cdmType = cdmType;
            identity = clrType.Identity + ObjectMslConstructs.IdentitySeperator + cdmType.Identity; 

            if (Helper.IsStructuralType(cdmType)) 
            { 
                m_memberMapping = new Dictionary(((StructuralType)cdmType).Members.Count);
            } 
            else
            {
                m_memberMapping = EmptyMemberMapping;
            } 
        }
        #endregion 
 
        #region Fields
        #region Internal 
        private readonly EdmType m_clrType;  //type on the Clr side that is being mapped
        private readonly EdmType m_cdmType;  //type on the Cdm side that is being mapped
        private readonly string identity;
        private readonly Dictionary m_memberMapping; //Indexes into the member mappings collection based on clr member name 

        private static readonly Dictionary EmptyMemberMapping 
            = new Dictionary(0); 
        #endregion
        #endregion 

        #region Properties
        /// 
        /// Gets the type kind for this item 
        /// 
        public override BuiltInTypeKind BuiltInTypeKind { 
            get { return BuiltInTypeKind.MetadataItem; } 
        }
 
        /// 
        /// The reference to the Clr type in Metadata
        /// that participates in this mapping instance
        ///  
        internal EdmType ClrType {
            get { 
                return this.m_clrType; 
            }
        } 

        /// 
        /// The reference to the Cdm type in Metadata
        /// that participates in this mapping instance 
        /// 
        internal override MetadataItem EdmItem { 
            get { 
                return this.EdmType;
            } 
        }

        /// 
        /// The reference to the Cdm type in Metadata 
        /// that participates in this mapping instance
        ///  
        internal EdmType EdmType { 
            get {
                return this.m_cdmType; 
            }
        }

        ///  
        /// Returns the Identity of ObjectTypeMapping.
        /// The identity for an Object Type Map is the concatenation of 
        /// CLR Type Idntity + ':' + CDM Type Identity 
        /// 
        internal override string Identity { 
            get {
                return identity;
            }
        } 

        #endregion 
 
        #region Methods
        ///  
        /// get a MemberMap for the member name specified
        /// 
        /// the name of the CDM member for which map needs to be retrieved
        internal ObjectPropertyMapping GetPropertyMap(String propertyName) 
        {
            ObjectMemberMapping memberMapping = GetMemberMap(propertyName, false /*ignoreCase*/); 
 
            if (memberMapping != null &&
                memberMapping.MemberMappingKind == MemberMappingKind.ScalarPropertyMapping || 
                memberMapping.MemberMappingKind == MemberMappingKind.ComplexPropertyMapping)
            {
                return (ObjectPropertyMapping)memberMapping;
            } 

            return null; 
        } 

        ///  
        /// Add a member mapping as a child of this object mapping
        /// 
        /// child property mapping to be added
        internal void AddMemberMap(ObjectMemberMapping memberMapping) { 
            Debug.Assert(memberMapping.ClrMember.Name == memberMapping.EdmMember.Name,
                "Both clrmember and edmMember name must be the same"); 
            //Check to see if either the Clr member or the Cdm member specified in this 
            //type has already been mapped.
            Debug.Assert(!m_memberMapping.ContainsKey(memberMapping.EdmMember.Name)); 
            Debug.Assert(!Type.ReferenceEquals(m_memberMapping, EmptyMemberMapping),
                "Make sure you don't add anything to the static emtpy member mapping");
            m_memberMapping.Add(memberMapping.EdmMember.Name, memberMapping);
        } 

        ///  
        /// Returns the member map for the given clr member 
        /// 
        ///  
        /// 
        /// 
        internal ObjectMemberMapping GetMemberMapForClrMember(string clrMemberName, bool ignoreCase)
        { 
            return GetMemberMap(clrMemberName, ignoreCase);
        } 
 
        /// 
        /// returns the member mapping for the given member 
        /// 
        /// 
        /// 
        ///  
        private ObjectMemberMapping GetMemberMap(string propertyName, bool ignoreCase)
        { 
            EntityUtil.CheckStringArgument(propertyName, "propertyName"); 
            ObjectMemberMapping memberMapping = null;
 
            if (!ignoreCase)
            {
                //First get the index of the member map from the clr indexs
                m_memberMapping.TryGetValue(propertyName, out memberMapping); 
            }
            else 
            { 
                foreach (KeyValuePair keyValuePair in m_memberMapping)
                { 
                    if (keyValuePair.Key.Equals(propertyName, StringComparison.OrdinalIgnoreCase))
                    {
                        if (memberMapping != null)
                        { 
                            throw new MappingException(System.Data.Entity.Strings.Mapping_Duplicate_PropertyMap_CaseInsensitive(
                                propertyName)); 
                        } 
                        memberMapping = keyValuePair.Value;
                    } 
                }
            }

            return memberMapping; 
        }
 
        ///  
        /// Overriding System.Object.ToString to provide better String representation
        /// for this type. 
        /// 
        public override string ToString()
        {
            return this.Identity; 
        }
        #endregion 
    } 
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//---------------------------------------------------------------------- 
// 
//      Copyright (c) Microsoft Corporation.  All rights reserved.
// 
// 
// @owner  [....], [....]
//--------------------------------------------------------------------- 
 
using System;
using System.Collections.Generic; 
using System.Collections.ObjectModel;
using System.Text;
using System.Diagnostics;
using System.Data.Metadata.Edm; 
using System.Data.Common.Utils;
 
namespace System.Data.Mapping { 
    /// 
    /// Represents the metadata for OCObjectMapping. 
    /// 
    internal class ObjectTypeMapping : Map {
        #region Constructors
        ///  
        /// Construct a new ObjectTypeMapping object
        ///  
        ///  
        /// 
        internal ObjectTypeMapping(EdmType clrType, EdmType cdmType) { 
            Debug.Assert(clrType.BuiltInTypeKind == cdmType.BuiltInTypeKind, "BuiltInTypeKind must be the same for both types");
            this.m_clrType = clrType;
            this.m_cdmType = cdmType;
            identity = clrType.Identity + ObjectMslConstructs.IdentitySeperator + cdmType.Identity; 

            if (Helper.IsStructuralType(cdmType)) 
            { 
                m_memberMapping = new Dictionary(((StructuralType)cdmType).Members.Count);
            } 
            else
            {
                m_memberMapping = EmptyMemberMapping;
            } 
        }
        #endregion 
 
        #region Fields
        #region Internal 
        private readonly EdmType m_clrType;  //type on the Clr side that is being mapped
        private readonly EdmType m_cdmType;  //type on the Cdm side that is being mapped
        private readonly string identity;
        private readonly Dictionary m_memberMapping; //Indexes into the member mappings collection based on clr member name 

        private static readonly Dictionary EmptyMemberMapping 
            = new Dictionary(0); 
        #endregion
        #endregion 

        #region Properties
        /// 
        /// Gets the type kind for this item 
        /// 
        public override BuiltInTypeKind BuiltInTypeKind { 
            get { return BuiltInTypeKind.MetadataItem; } 
        }
 
        /// 
        /// The reference to the Clr type in Metadata
        /// that participates in this mapping instance
        ///  
        internal EdmType ClrType {
            get { 
                return this.m_clrType; 
            }
        } 

        /// 
        /// The reference to the Cdm type in Metadata
        /// that participates in this mapping instance 
        /// 
        internal override MetadataItem EdmItem { 
            get { 
                return this.EdmType;
            } 
        }

        /// 
        /// The reference to the Cdm type in Metadata 
        /// that participates in this mapping instance
        ///  
        internal EdmType EdmType { 
            get {
                return this.m_cdmType; 
            }
        }

        ///  
        /// Returns the Identity of ObjectTypeMapping.
        /// The identity for an Object Type Map is the concatenation of 
        /// CLR Type Idntity + ':' + CDM Type Identity 
        /// 
        internal override string Identity { 
            get {
                return identity;
            }
        } 

        #endregion 
 
        #region Methods
        ///  
        /// get a MemberMap for the member name specified
        /// 
        /// the name of the CDM member for which map needs to be retrieved
        internal ObjectPropertyMapping GetPropertyMap(String propertyName) 
        {
            ObjectMemberMapping memberMapping = GetMemberMap(propertyName, false /*ignoreCase*/); 
 
            if (memberMapping != null &&
                memberMapping.MemberMappingKind == MemberMappingKind.ScalarPropertyMapping || 
                memberMapping.MemberMappingKind == MemberMappingKind.ComplexPropertyMapping)
            {
                return (ObjectPropertyMapping)memberMapping;
            } 

            return null; 
        } 

        ///  
        /// Add a member mapping as a child of this object mapping
        /// 
        /// child property mapping to be added
        internal void AddMemberMap(ObjectMemberMapping memberMapping) { 
            Debug.Assert(memberMapping.ClrMember.Name == memberMapping.EdmMember.Name,
                "Both clrmember and edmMember name must be the same"); 
            //Check to see if either the Clr member or the Cdm member specified in this 
            //type has already been mapped.
            Debug.Assert(!m_memberMapping.ContainsKey(memberMapping.EdmMember.Name)); 
            Debug.Assert(!Type.ReferenceEquals(m_memberMapping, EmptyMemberMapping),
                "Make sure you don't add anything to the static emtpy member mapping");
            m_memberMapping.Add(memberMapping.EdmMember.Name, memberMapping);
        } 

        ///  
        /// Returns the member map for the given clr member 
        /// 
        ///  
        /// 
        /// 
        internal ObjectMemberMapping GetMemberMapForClrMember(string clrMemberName, bool ignoreCase)
        { 
            return GetMemberMap(clrMemberName, ignoreCase);
        } 
 
        /// 
        /// returns the member mapping for the given member 
        /// 
        /// 
        /// 
        ///  
        private ObjectMemberMapping GetMemberMap(string propertyName, bool ignoreCase)
        { 
            EntityUtil.CheckStringArgument(propertyName, "propertyName"); 
            ObjectMemberMapping memberMapping = null;
 
            if (!ignoreCase)
            {
                //First get the index of the member map from the clr indexs
                m_memberMapping.TryGetValue(propertyName, out memberMapping); 
            }
            else 
            { 
                foreach (KeyValuePair keyValuePair in m_memberMapping)
                { 
                    if (keyValuePair.Key.Equals(propertyName, StringComparison.OrdinalIgnoreCase))
                    {
                        if (memberMapping != null)
                        { 
                            throw new MappingException(System.Data.Entity.Strings.Mapping_Duplicate_PropertyMap_CaseInsensitive(
                                propertyName)); 
                        } 
                        memberMapping = keyValuePair.Value;
                    } 
                }
            }

            return memberMapping; 
        }
 
        ///  
        /// Overriding System.Object.ToString to provide better String representation
        /// for this type. 
        /// 
        public override string ToString()
        {
            return this.Identity; 
        }
        #endregion 
    } 
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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ObjectTypeMapping.cs source code in C# .NET

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